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authorCheeze_It <none@none.com>2022-10-06 21:51:31 -0700
committerCheeze_It <none@none.com>2022-10-06 21:51:31 -0700
commitb6e690f0f72e5ecba0fc9be1c16caf2788e6b29e (patch)
treed606dd01f19460e3138803aa4f506c5a12cc7ee7 /src
parent067cc12d0e6e52044df48f6f612cb4db1d4ad80c (diff)
downloadvyos-1x-b6e690f0f72e5ecba0fc9be1c16caf2788e6b29e.tar.gz
vyos-1x-b6e690f0f72e5ecba0fc9be1c16caf2788e6b29e.zip
ospf: T4707: Add OSPF segment routing for FRR
In this commit we add OSPF segment routing, smoke tests, handlers, FRR template changes, and CLI commands.
Diffstat (limited to 'src')
-rwxr-xr-xsrc/conf_mode/protocols_ospf.py52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/conf_mode/protocols_ospf.py b/src/conf_mode/protocols_ospf.py
index 5b4874ba2..0582d32be 100755
--- a/src/conf_mode/protocols_ospf.py
+++ b/src/conf_mode/protocols_ospf.py
@@ -198,6 +198,58 @@ def verify(ospf):
if 'master' not in tmp or tmp['master'] != vrf:
raise ConfigError(f'Interface {interface} is not a member of VRF {vrf}!')
+ # Segment routing checks
+ if dict_search('segment_routing.global_block', ospf):
+ g_high_label_value = dict_search('segment_routing.global_block.high_label_value', ospf)
+ g_low_label_value = dict_search('segment_routing.global_block.low_label_value', ospf)
+
+ # If segment routing global block high or low value is blank, throw error
+ if not (g_low_label_value or g_high_label_value):
+ raise ConfigError('Segment routing global-block requires both low and high value!')
+
+ # If segment routing global block low value is higher than the high value, throw error
+ if int(g_low_label_value) > int(g_high_label_value):
+ raise ConfigError('Segment routing global-block low value must be lower than high value')
+
+ if dict_search('segment_routing.local_block', ospf):
+ if dict_search('segment_routing.global_block', ospf) == None:
+ raise ConfigError('Segment routing local-block requires global-block to be configured!')
+
+ l_high_label_value = dict_search('segment_routing.local_block.high_label_value', ospf)
+ l_low_label_value = dict_search('segment_routing.local_block.low_label_value', ospf)
+
+ # If segment routing local-block high or low value is blank, throw error
+ if not (l_low_label_value or l_high_label_value):
+ raise ConfigError('Segment routing local-block requires both high and low value!')
+
+ # If segment routing local-block low value is higher than the high value, throw error
+ if int(l_low_label_value) > int(l_high_label_value):
+ raise ConfigError('Segment routing local-block low value must be lower than high value')
+
+ # local-block most live outside global block
+ global_range = range(int(g_low_label_value), int(g_high_label_value) +1)
+ local_range = range(int(l_low_label_value), int(l_high_label_value) +1)
+
+ # Check for overlapping ranges
+ if list(set(global_range) & set(local_range)):
+ raise ConfigError(f'Segment-Routing Global Block ({g_low_label_value}/{g_high_label_value}) '\
+ f'conflicts with Local Block ({l_low_label_value}/{l_high_label_value})!')
+
+ # Check for a blank or invalid value per prefix
+ if dict_search('segment_routing.prefix', ospf):
+ for prefix, prefix_config in ospf['segment_routing']['prefix'].items():
+ if 'index' in prefix_config:
+ if prefix_config['index'].get('value') is None:
+ raise ConfigError(f'Segment routing prefix {prefix} index value cannot be blank.')
+
+ # Check for explicit-null and no-php-flag configured at the same time per prefix
+ if dict_search('segment_routing.prefix', ospf):
+ for prefix, prefix_config in ospf['segment_routing']['prefix'].items():
+ if 'index' in prefix_config:
+ if ("explicit_null" in prefix_config['index']) and ("no_php_flag" in prefix_config['index']):
+ raise ConfigError(f'Segment routing prefix {prefix} cannot have both explicit-null '\
+ f'and no-php-flag configured at the same time.')
+
return None
def generate(ospf):